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Diffstat (limited to 'tests/libgit2/diff/index.c')
| -rw-r--r-- | tests/libgit2/diff/index.c | 302 |
1 files changed, 302 insertions, 0 deletions
diff --git a/tests/libgit2/diff/index.c b/tests/libgit2/diff/index.c new file mode 100644 index 000000000..b616a372b --- /dev/null +++ b/tests/libgit2/diff/index.c @@ -0,0 +1,302 @@ +#include "clar_libgit2.h" +#include "diff_helpers.h" + +static git_repository *g_repo = NULL; + +void test_diff_index__initialize(void) +{ + g_repo = cl_git_sandbox_init("status"); +} + +void test_diff_index__cleanup(void) +{ + cl_git_sandbox_cleanup(); +} + +void test_diff_index__0(void) +{ + /* grabbed a couple of commit oids from the history of the attr repo */ + const char *a_commit = "26a125ee1bf"; /* the current HEAD */ + const char *b_commit = "0017bd4ab1ec3"; /* the start */ + git_tree *a = resolve_commit_oid_to_tree(g_repo, a_commit); + git_tree *b = resolve_commit_oid_to_tree(g_repo, b_commit); + git_diff_options opts = GIT_DIFF_OPTIONS_INIT; + git_diff *diff = NULL; + diff_expects exp; + + cl_assert(a); + cl_assert(b); + + opts.context_lines = 1; + opts.interhunk_lines = 1; + + memset(&exp, 0, sizeof(exp)); + + cl_git_pass(git_diff_tree_to_index(&diff, g_repo, a, NULL, &opts)); + + cl_git_pass(git_diff_foreach( + diff, diff_file_cb, diff_binary_cb, diff_hunk_cb, diff_line_cb, &exp)); + + /* to generate these values: + * - cd to tests/resources/status, + * - mv .gitted .git + * - git diff --name-status --cached 26a125ee1bf + * - git diff -U1 --cached 26a125ee1bf + * - mv .git .gitted + */ + cl_assert_equal_i(8, exp.files); + cl_assert_equal_i(3, exp.file_status[GIT_DELTA_ADDED]); + cl_assert_equal_i(2, exp.file_status[GIT_DELTA_DELETED]); + cl_assert_equal_i(3, exp.file_status[GIT_DELTA_MODIFIED]); + + cl_assert_equal_i(8, exp.hunks); + + cl_assert_equal_i(11, exp.lines); + cl_assert_equal_i(3, exp.line_ctxt); + cl_assert_equal_i(6, exp.line_adds); + cl_assert_equal_i(2, exp.line_dels); + + git_diff_free(diff); + diff = NULL; + memset(&exp, 0, sizeof(exp)); + + cl_git_pass(git_diff_tree_to_index(&diff, g_repo, b, NULL, &opts)); + + cl_git_pass(git_diff_foreach( + diff, diff_file_cb, diff_binary_cb, diff_hunk_cb, diff_line_cb, &exp)); + + /* to generate these values: + * - cd to tests/resources/status, + * - mv .gitted .git + * - git diff --name-status --cached 0017bd4ab1ec3 + * - git diff -U1 --cached 0017bd4ab1ec3 + * - mv .git .gitted + */ + cl_assert_equal_i(12, exp.files); + cl_assert_equal_i(7, exp.file_status[GIT_DELTA_ADDED]); + cl_assert_equal_i(2, exp.file_status[GIT_DELTA_DELETED]); + cl_assert_equal_i(3, exp.file_status[GIT_DELTA_MODIFIED]); + + cl_assert_equal_i(12, exp.hunks); + + cl_assert_equal_i(16, exp.lines); + cl_assert_equal_i(3, exp.line_ctxt); + cl_assert_equal_i(11, exp.line_adds); + cl_assert_equal_i(2, exp.line_dels); + + git_diff_free(diff); + diff = NULL; + + git_tree_free(a); + git_tree_free(b); +} + +static int diff_stop_after_2_files( + const git_diff_delta *delta, + float progress, + void *payload) +{ + diff_expects *e = payload; + + GIT_UNUSED(progress); + GIT_UNUSED(delta); + + e->files++; + + return (e->files == 2); +} + +void test_diff_index__1(void) +{ + /* grabbed a couple of commit oids from the history of the attr repo */ + const char *a_commit = "26a125ee1bf"; /* the current HEAD */ + const char *b_commit = "0017bd4ab1ec3"; /* the start */ + git_tree *a = resolve_commit_oid_to_tree(g_repo, a_commit); + git_tree *b = resolve_commit_oid_to_tree(g_repo, b_commit); + git_diff_options opts = GIT_DIFF_OPTIONS_INIT; + git_diff *diff = NULL; + diff_expects exp; + + cl_assert(a); + cl_assert(b); + + opts.context_lines = 1; + opts.interhunk_lines = 1; + + memset(&exp, 0, sizeof(exp)); + + cl_git_pass(git_diff_tree_to_index(&diff, g_repo, a, NULL, &opts)); + + cl_assert_equal_i(1, git_diff_foreach( + diff, diff_stop_after_2_files, NULL, NULL, NULL, &exp) ); + + cl_assert_equal_i(2, exp.files); + + git_diff_free(diff); + diff = NULL; + + git_tree_free(a); + git_tree_free(b); +} + +void test_diff_index__checks_options_version(void) +{ + const char *a_commit = "26a125ee1bf"; + git_tree *a = resolve_commit_oid_to_tree(g_repo, a_commit); + git_diff_options opts = GIT_DIFF_OPTIONS_INIT; + git_diff *diff = NULL; + const git_error *err; + + opts.version = 0; + cl_git_fail(git_diff_tree_to_index(&diff, g_repo, a, NULL, &opts)); + err = git_error_last(); + cl_assert_equal_i(GIT_ERROR_INVALID, err->klass); + cl_assert_equal_p(diff, NULL); + + git_error_clear(); + opts.version = 1024; + cl_git_fail(git_diff_tree_to_index(&diff, g_repo, a, NULL, &opts)); + err = git_error_last(); + cl_assert_equal_i(GIT_ERROR_INVALID, err->klass); + cl_assert_equal_p(diff, NULL); + + git_tree_free(a); +} + +static void do_conflicted_diff(diff_expects *exp, unsigned long flags) +{ + const char *a_commit = "26a125ee1bf"; /* the current HEAD */ + git_tree *a = resolve_commit_oid_to_tree(g_repo, a_commit); + git_diff_options opts = GIT_DIFF_OPTIONS_INIT; + git_index_entry ancestor = {{0}}, ours = {{0}}, theirs = {{0}}; + git_diff *diff = NULL; + git_index *index; + + cl_assert(a); + + opts.context_lines = 1; + opts.interhunk_lines = 1; + opts.flags |= flags; + + memset(exp, 0, sizeof(diff_expects)); + + cl_git_pass(git_repository_index(&index, g_repo)); + + ancestor.path = ours.path = theirs.path = "staged_changes"; + ancestor.mode = ours.mode = theirs.mode = GIT_FILEMODE_BLOB; + + git_oid_fromstr(&ancestor.id, "d427e0b2e138501a3d15cc376077a3631e15bd46"); + git_oid_fromstr(&ours.id, "ee3fa1b8c00aff7fe02065fdb50864bb0d932ccf"); + git_oid_fromstr(&theirs.id, "2bd0a343aeef7a2cf0d158478966a6e587ff3863"); + + cl_git_pass(git_index_conflict_add(index, &ancestor, &ours, &theirs)); + cl_git_pass(git_diff_tree_to_index(&diff, g_repo, a, index, &opts)); + + cl_git_pass(git_diff_foreach( + diff, diff_file_cb, diff_binary_cb, diff_hunk_cb, diff_line_cb, exp)); + + git_diff_free(diff); + git_tree_free(a); + git_index_free(index); +} + +void test_diff_index__reports_conflicts(void) +{ + diff_expects exp; + + do_conflicted_diff(&exp, 0); + + cl_assert_equal_i(8, exp.files); + cl_assert_equal_i(3, exp.file_status[GIT_DELTA_ADDED]); + cl_assert_equal_i(2, exp.file_status[GIT_DELTA_DELETED]); + cl_assert_equal_i(2, exp.file_status[GIT_DELTA_MODIFIED]); + cl_assert_equal_i(1, exp.file_status[GIT_DELTA_CONFLICTED]); + + cl_assert_equal_i(7, exp.hunks); + + cl_assert_equal_i(9, exp.lines); + cl_assert_equal_i(2, exp.line_ctxt); + cl_assert_equal_i(5, exp.line_adds); + cl_assert_equal_i(2, exp.line_dels); +} + +void test_diff_index__reports_conflicts_when_reversed(void) +{ + diff_expects exp; + + do_conflicted_diff(&exp, GIT_DIFF_REVERSE); + + cl_assert_equal_i(8, exp.files); + cl_assert_equal_i(2, exp.file_status[GIT_DELTA_ADDED]); + cl_assert_equal_i(3, exp.file_status[GIT_DELTA_DELETED]); + cl_assert_equal_i(2, exp.file_status[GIT_DELTA_MODIFIED]); + cl_assert_equal_i(1, exp.file_status[GIT_DELTA_CONFLICTED]); + + cl_assert_equal_i(7, exp.hunks); + + cl_assert_equal_i(9, exp.lines); + cl_assert_equal_i(2, exp.line_ctxt); + cl_assert_equal_i(2, exp.line_adds); + cl_assert_equal_i(5, exp.line_dels); +} + +void test_diff_index__not_in_head_conflicted(void) +{ + const char *a_commit = "26a125ee1bf"; /* the current HEAD */ + git_index_entry theirs = {{0}}; + git_index *index; + git_diff *diff; + const git_diff_delta *delta; + + git_tree *a = resolve_commit_oid_to_tree(g_repo, a_commit); + + cl_git_pass(git_repository_index(&index, g_repo)); + cl_git_pass(git_index_read_tree(index, a)); + + theirs.path = "file_not_in_head"; + theirs.mode = GIT_FILEMODE_BLOB; + git_oid_fromstr(&theirs.id, "2bd0a343aeef7a2cf0d158478966a6e587ff3863"); + cl_git_pass(git_index_conflict_add(index, NULL, NULL, &theirs)); + + cl_git_pass(git_diff_tree_to_index(&diff, g_repo, a, index, NULL)); + + cl_assert_equal_i(git_diff_num_deltas(diff), 1); + delta = git_diff_get_delta(diff, 0); + cl_assert_equal_i(delta->status, GIT_DELTA_CONFLICTED); + + git_diff_free(diff); + git_index_free(index); + git_tree_free(a); +} + +void test_diff_index__to_index(void) +{ + const char *a_commit = "26a125ee1bf"; /* the current HEAD */ + git_tree *old_tree; + git_index *old_index; + git_index *new_index; + git_diff *diff; + diff_expects exp; + + cl_git_pass(git_index_new(&old_index)); + old_tree = resolve_commit_oid_to_tree(g_repo, a_commit); + cl_git_pass(git_index_read_tree(old_index, old_tree)); + + cl_git_pass(git_repository_index(&new_index, g_repo)); + + cl_git_pass(git_diff_index_to_index(&diff, g_repo, old_index, new_index, NULL)); + + memset(&exp, 0, sizeof(diff_expects)); + cl_git_pass(git_diff_foreach( + diff, diff_file_cb, diff_binary_cb, diff_hunk_cb, diff_line_cb, &exp)); + cl_assert_equal_i(8, exp.files); + cl_assert_equal_i(3, exp.file_status[GIT_DELTA_ADDED]); + cl_assert_equal_i(2, exp.file_status[GIT_DELTA_DELETED]); + cl_assert_equal_i(3, exp.file_status[GIT_DELTA_MODIFIED]); + cl_assert_equal_i(0, exp.file_status[GIT_DELTA_CONFLICTED]); + + git_diff_free(diff); + git_index_free(new_index); + git_index_free(old_index); + git_tree_free(old_tree); +} |